// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_WM_PUBLIC_ACTIVATION_DELEGATE_H_
#define UI_WM_PUBLIC_ACTIVATION_DELEGATE_H_

#include "ui/aura/aura_export.h"

namespace ui {
class Event;
}

namespace aura {
class Window;
namespace client {

    // An interface implemented by an object that configures and responds to changes
    // to a window's activation state.
    class AURA_EXPORT ActivationDelegate {
    public:
        // Returns true if the window should be activated.
        virtual bool ShouldActivate() const = 0;

    protected:
        virtual ~ActivationDelegate() { }
    };

    // Sets/Gets the ActivationDelegate on the Window. No ownership changes.
    AURA_EXPORT void SetActivationDelegate(Window* window,
        ActivationDelegate* delegate);
    AURA_EXPORT ActivationDelegate* GetActivationDelegate(Window* window);

} // namespace client
} // namespace aura

#endif // UI_WM_PUBLIC_ACTIVATION_DELEGATE_H_
